Cummins/Onan Onan P4500i / P4500 — Storage Preparation
Maintenance · General
For the Cummins/Onan Onan P4500i / P4500, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan Onan P4500i, Cummins/Onan P4500
Before you start
- Never store inverter with fuel indoors or near ignition sources.
Procedure
- Clean the inverter.
- Siphon gasoline from fuel tank as much as possible.
- Run engine until remaining gasoline is consumed and it shuts off.
- Drain remaining fuel from the float bowl.
- Change the oil.
- Remove spark plug, add about 1 tablespoon oil into opening, pull recoil to distribute oil.
- Replace the spark plug.
- Move inverter to a clean, dry storage location.
Full service-parts list: Cummins/Onan Onan P4500i →, Cummins/Onan P4500 →
Source: Cummins/Onan operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.